READING & vs MathFriends
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
READING &
Access a vast digital library of high-quality English books from Oxford University Press and Collins. This app offers a multi-dimensional reading system designed for efficient language acquisition, including vocabulary games, listening, reading, and speaking exercises. Enjoy personalized learning with features like pronunciation options, audio speed control, and a built-in dictionary.
- Digital library of Oxford and Collins English books
- 5-Step Multi-Dimension Reading system
- Vocabulary games, listening, reading, and speaking exercises
- British & American pronunciation options
- Audio speed control and recording feature
- Built-in dictionary and personalized vocabulary list
- Offline reading mode
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Meet the premium readers from the Oxford University Press and Collins at ‘READING &’! Oxford Reading Tree (ORT) and Collins Big Cat series are now available at READING &! ORT, the world’s best-seller readers used in 80% of the primary schools in the UK! Big Cat, is the popular series beloved by over 10,000 libraries in the primary schools in the UK! Have your own digital library that houses a massive collection of high-quality English books, and enjoy reading wherever you are and whenever you want! Awesome #1. 5 times more efficient 5 steps of multi-dimensional reading system is applied in every book. READING & transformed one-dimensional paper books to multi-functional digital contents that carries out the holistic process of language acquisition: vocabulary game, listening, reading, speaking, spelling check and after activities. Users can benefit from 5 times more efficient language learning system through our productive 5-Step Multi-Dimension Reading. Awesome #2. Up to 4 different devices Use up to 4 different mobile devices at a time! Every reading data synchronizes. We also support offline mode. Download your books and read them offline. Awesome #3. Additional features for your self-study - Both British & American pronunciation available (some books might provide only one) - Audio speed control - Record your own speaking - Listen to the audio per page or sentence - Built-in dictionary (Oxford English-Korean dictionary with 185,000 words) - Personalized vocabulary list - Pen tool: highlight or underline important vocabulary, make in-page highlights - Reading Diary: store your own speaking files This application may require access to the permissions below (to avoid the malfunction). - [Optional] Microphone: to record audio in Stage 3 and 4 - [Optional] Photos: to register your profile picture Instructions to turn the permission off: - Microphone: Settings > Privacy > App permissions > Microphone > turn off READING & - Photo: Settings > Privacy > App permissions > Storage > turn off READING & If you disable access for these permissions, you may use the app but several features of your device may no longer function as intended.
MathFriends
This app offers systematic math learning for elementary students through daily lessons, timed challenges, and video tutorials. It incorporates fun games, avatar customization, and rewards to boost engagement and confidence. Parents can monitor progress in real-time via a connected app.
- Daily systematic learning
- Timed math challenges
- Learning videos
- Math game center
- Avatar customization
- Parental progress tracking
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9 out of 10 people felt an amazing improvement in computation 99.3% of learners experienced improvement in grades within 7 days From pre-elementary school students to 6th grade elementary school students Which is an Elementary Calculation App for systematic learning [Learning Contents] - Today's learning : Specify the amount of learning per day and repeat more than 3 times to master the areas you lack. - 1% challenge : Solve the questions exactly for a limited time, challenge the top 1% and gain confidence of math. - Learning video : You can easily learn difficult concepts through video and understand the basic concept of the lesson. - Learning Game Center : Improve computational skills quickly and accurately through various math games. [Learning Habits Routine] - Today's lesson : You can set the learning routine with today's learning amount to suit my child. - Daily mission : You can complete a set daily mission. Complete the daily mission, earn rewards, and get a sense of accomplishment. - Attendance card : I feel proud of myself for how consistently I have learned by getting a stamp of attendance every day. [Motivation Content] - Decorating avatars : Decorate my own character with the reward jewelry which I got through learning. - collecting titles : You can success challenges and show off your new titles with friends. - Learning Game Center : By solving math problems and enjoying games, kids can realize math is easy to learn. - Complimenting : The learning app and the parent app are connected, so parents can praise and cheer our children. [Learning Management System] - Learning App : AI automatically collects the data which is scores, measures time, checks learning results, and collects note of wrong answers. - Parent App : Check my child's learning status in real time and control various learning functions. - AI Learning Report : Through the report given once a month, you can check the average learning status of our child and the excellent/vulnerable stage at a glance. [Customer Service] - APP : Setting > Customer Service > Question - Customer Center Contact : 1promath@naver.com --privacy policy-- www.1promath.co.kr/pages/ge2.php
Screenshots
Verdict
The clearest difference is rating: MathFriends at 4.5 against READING &'s 3.4. MathFriends also leads on review sentiment (99% vs 79%) and iOS requirement (15.0 vs 17.0). READING &'s advantage is in-app purchases (none vs 17) and update cadence (fortnightly vs monthly). On price, ratings volume, ads and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. MathFriends sells 17 one-off in-app purchases. READING & asks for nothing beyond the download.
MathFriends holds the better App Store score, 4.5 against 3.4. Both are backed by a comparable volume of ratings — 10 and 13 respectively. Written reviews point the same way: 79% of READING &'s written reviews are positive against 99% of MathFriends's.
READING & ships an update fortnightly, MathFriends monthly. The most recent releases landed on September 19, 2026 and September 23, 2026 respectively.
| Parameter | READING & | MathFriends |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (10 ratings) | 4.5 (13 ratings) — better |
| Positive reviews | 79.2% of reviews | 98.8% of reviews — better |
| Number of ratings | 10 | 13 — better |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 251 MB | 386 MB |
| Age rating | 4+ | 4+ |
| Developer | iPortfolio Inc. | MathMaster |
Customer experience
READING &
MathFriends
In-app purchases
READING &
No in-app purchases
MathFriends
- 일프로연산 1개월+1개월 이용권$24.99
- MathFriends 1 Month Pass$24.99
- MathFriends 6 + 3 Months Pass$59.99
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- MathFriends 6 + 1 Months Pass$59.99
- MathFriends 12 + 6 Months Pass$79.99
- 일프로연산 이벤트 6개월 이용권$89.99
- 일프로연산 이벤트 6개월 이용권 (6개월 + 3개월)$89.99
- MathFriends 6 Month Pass$89.99
- 일프로연산 6개월 이용권(프로모션)$94.99
- 일프로연산 6개월 이용권$99.99
- 일프로연산 6개월 이용권 (프로모션)$99.99
- 일프로연산 1년 이용권$99.99
- 일프로연산 이벤트 1년 이용권 (1년 + 6개월)$119.99
- 일프로연산 이벤트 1년 이용권$119.99
- MathFriends 12 Months Pass$119.99
- 일프로연산 2년 이용권$129.99
- 일프로연산 1년 이용권$149.99






